1 . Some equations are solved on the basis of a certain system. On the same basis, find out the correct answer for the unsolved equation.
2 × 3 × 4 = 432,
5 × 6 × 7 = 765
7 × 8 × 9 = 987,
2× 5 × 7 = ?
A.  572
B.  752
C.  725
D.  257
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2 .
A.  a
B.  b
C.  c
D.  d
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3 .
A.  a
B.  b
C.  c
D.  d
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4 .
A.  a
B.  b
C.  c
D.  d
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5 .
A.  a
B.  b
C.  c
D.  d
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6 .
A.  a
B.  b
C.  c
D.  d
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7 . If 782 = 20
and 671= 17, then
884 = ?
A.  26
B.  23
C.  32
D.  19
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8 . 5 × 6 × 4 = 456, 3 × 6 × 5 = 536,
4 × 8 × 7 = ?
A.  847
B.  784
C.  748
D.  478
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9 . A cyclist goes 30 km to North and then turning East he goes 40 km. Again he turns to his right and goes 20 km. After this, he turns to his right and goes 40 km. How far is he from his starting point ?
A.  25 km
B.  40 km
C.  6 km
D.  10 km
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10 . Select the correct combination of mathematical signs to replace * signs and to balance the given equation. 9 * 7 * 2 * 3 * 10
A.  + – × =
B.  – ¸× =
C.  ¸× + =
D.  – + ¸=
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